The security zone is divided into vertical and horizontal sections with professional industrial control equipment and software security, as shown in figure 2.
对安全区域划分的纵向各层和横向各区配备专业的工业控制安全设备和软件进行安全防护，如图2所示。
2
The horizontal and vertical stresses are concave upward in plastic zone.
在塑性区，水平及垂直应力均是上凹的。
3
Possible models of block motion along the fault zone are studied based on the analysis of the geodetic horizontal deformation, the historic tectonic deformation and regional tectonic background.